199900407

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{60631}}^1$

素因数の和:60798

約数の個数: 16

約数和(自身を含む): 306555392

約数和(自身を除く): 106654985

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 60631, 181893, 424417, 1273251, 9519067, 28557201, 66633469, 199900407]

約数ペア:

[(1, 199900407), (3, 66633469), (7, 28557201), (21, 9519067), (157, 1273251), (471, 424417), (1099, 181893), (3297, 60631)]